74HCT4024 datasheet(6/7 Pages) PHILIPS

6 / 7 page

December 1990

Philips Semiconductors

Product speciﬁcation

7-stage binary ripple counter

74HC/HCT4024

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see

“74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (

∆ICC) for a unit load of 1 is given in the family specifications.

To determine

∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

AC CHARACTERISTICS FOR 74HCT

GND = 0 V; tr =tf = 6 ns; CL =50pF

INPUT

UNIT LOAD COEFFICIENT

0.75

0.85

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HCT

VCC

(V)

WAVEFORMS

+25

−40 to +125 −40 to +125

min.

typ.

max. min. max. min.

max.

tPHL/ tPLH

propagation delay

CP to Q0

4.5

Fig.6

tPHL

propagation delay

MR to Q0

4.5

Fig.6

tPHL/ tPLH

propagation delay

Qn to Qn+1

4.5

Fig.6

tTHL/ tTLH

output transition time

4.5

Fig.6

clock pulse width

HIGH or LOW

4.5

Fig.6

master reset pulse width

HIGH

4.5

Fig.6

trem

removal time

MR to CP

4.5

Fig.6

fmax

maximum clock pulse

frequency

MHz

4.5

Fig.6

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